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Thread: building a 2L 8v for turbo?

  1. #11
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    Whats the budget? Seriously you come up with a figure and we'll spend it (theoretically). Just go 20v rather than pussy around on r&d

  2. #12
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    That i agree with. When ur spending around 5k for a 8v turbo and a 20v turbo halfcut is around the 3-4k mark it is the more wiser option. Also the gearbox wont like the extra amount of torque since 020's arent really seen as strong boxes.

  3. #13
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    Quote Originally Posted by peedman View Post
    That i agree with. When ur spending around 5k for a 8v turbo and a 20v turbo halfcut is around the 3-4k mark it is the more wiser option. Also the gearbox wont like the extra amount of torque since 020's arent really seen as strong boxes.
    U THINK 5K will be enough for a 20v turbo conversion in a mk1!!!

    try double that.... then add on all the nessecities you need to stop then turn and so on...

    y dont u think i didnt go 20v-t

    wabit

  4. #14
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    You still need to be able to stop and steer with an 8v turbo.

    One thing i have seen guys in the states do is an aba turbo setup, which is a cross flow 8v head. Not sure of the availability over here though.
    76 MkI 3 door - daily drive/project - 1.8 5speed
    76 MkI 3 door swallowtail - 16v track car
    76 MkI 3 door "long term" project

  5. #15
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    but what about extra weight distribution.. its not the 8v it came with originally....

    nop crossflow 8v heads are not avalable here

    wabit

  6. #16
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    People have been turboing 2l's for alot less than 6000 euro's. As mr Valver said, there literally are more parts you can poke a stick at, manifolds aren't the hardest things to get, and well the other parts like injectors and downpipes can either come from other cars or be made to fit by professionals. The ecu management seems to be the most difficult thing to obtain, a standalone obviously allows the owner to change almost any aspect of the car, yet isn't the cheapest thing around. Many tuning firms such as banhn brennan sell flashed chips for the stock ABA ecu's with certain fuel and psi conditions already programmed.

    I reckon you can get all the parts for 2000 grand or less, a heck of alot cheaper than buying a 1.8t, and then having to chip it and and spend more money on tuning to get it to a similar level of atwhp as that of a turbo'd 2.slow.

  7. #17
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    actually, not sure if its aba's but you can get them. My parents mk4 is crossflow as was there beetle cab they had.

    Easiest way to do it may be get a turbo diesel setup, at least the mani and turbo will go straight on to an counterflow 8v head.

    engine management will be the tough part.

    Quote Originally Posted by WABIT View Post
    but what about extra weight distribution.. its not the 8v it came with originally....

    nop crossflow 8v heads are not avalable here

    wabit
    76 MkI 3 door - daily drive/project - 1.8 5speed
    76 MkI 3 door swallowtail - 16v track car
    76 MkI 3 door "long term" project

  8. #18
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    Quote Originally Posted by Golf Houso View Post
    I reckon you can get all the parts for 2000 grand or less, a heck of alot cheaper than buying a 1.8t, and then having to chip it and and spend more money on tuning to get it to a similar level of atwhp as that of a turbo'd 2.slow.
    2000 grand is alot of money

    A turbo itself if a new item is over 1k. then manifolds and such, I think you'd be looking at more than 2k.

    150kw should be achieveable from a dohc 1.8l turbo motor. An extremely worked 1.8l SOHC turbo motor can see over 200kw atw. DOHC = more flow = more power.

  9. #19
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    Quote Originally Posted by D3bb4 View Post
    2000 grand is alot of money

    A turbo itself if a new item is over 1k. then manifolds and such, I think you'd be looking at more than 2k.

    150kw should be achieveable from a dohc 1.8l turbo motor. An extremely worked 1.8l SOHC turbo motor can see over 200kw atw. DOHC = more flow = more power.
    Yeah itll cost more then 2K, exhaust alone is around that mark.

    A dohc 1.8l can make 150kw with no turbo i have been told, every easly too.

    By crossflow do you mean like the KR and the 2.0L in the mk3s, where the air goes in on one side and exhaust exits from the other?
    If so, then in a PVW issue a guy put a 2L head on a 1.8L bottom end, reduces heat aswell. Cant that be done?
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  10. #20
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    u need to remember you can spend little money in achieving 8v turbo setup IF you know how to do things... i.e install, plumping, welding... and so on...

    if you do NOT know these things or anyone close to you who does!! you can be up for big dollars....

    i think i could make a 2k 8v turbo setup if i wanted to

    all i would need is...

    turbo manifold $800 or near
    turbo and cooler 2nd hand $500-800 T03 of some sort running no more that 14-15psi and a mitsu evo cooler
    piping and fittings $2-300

    then there are costs u can avoid like welding a oil pickup line to the sump

    welding pipes and mounting a cooler, installing turbo and just painting and finishing off

    wabit

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